Add spaces after flow control statements (#126320)

dev/benchmarks/complex_layout/test/measure_scroll_smoothness.dart

@@ -68,7 +68,7 @@ class ResampleFlagVariant extends TestVariant<TestScenario> {
 
   late TestScenario currentValue;
   bool get resample {
-    switch(currentValue) {
+    switch (currentValue) {
       case TestScenario.resampleOn90Hz:
       case TestScenario.resampleOn59Hz:
         return true;
@@ -78,7 +78,7 @@ class ResampleFlagVariant extends TestVariant<TestScenario> {
     }
   }
   double get frequency {
-    switch(currentValue) {
+    switch (currentValue) {
       case TestScenario.resampleOn90Hz:
       case TestScenario.resampleOff90Hz:
         return 90.0;
@@ -92,7 +92,7 @@ class ResampleFlagVariant extends TestVariant<TestScenario> {
 
   @override
   String describeValue(TestScenario value) {
-    switch(value) {
+    switch (value) {
       case TestScenario.resampleOn90Hz:
         return 'resample on with 90Hz input';
       case TestScenario.resampleOn59Hz:

dev/benchmarks/macrobenchmarks/test_driver/frame_policy_test.dart

@@ -13,7 +13,7 @@ Future<void> main() => driver.integrationDriver(
     final Map<String, dynamic> fullyLiveResult =
         data?['fullyLive'] as Map<String,dynamic>;
 
-    if(benchmarkLiveResult['frame_count'] as int < 10
+    if (benchmarkLiveResult['frame_count'] as int < 10
        || fullyLiveResult['frame_count'] as int < 10) {
       print('Failure Details:\nNot Enough frames collected: '
             'benchmarkLive ${benchmarkLiveResult['frameCount']}, '

dev/bots/analyze.dart

@@ -112,6 +112,9 @@ Future<void> run(List<String> arguments) async {
   printProgress('Trailing spaces...');
   await verifyNoTrailingSpaces(flutterRoot); // assumes no unexpected binaries, so should be after verifyNoBinaries
 
+  printProgress('Spaces after flow control statements...');
+  await verifySpacesAfterFlowControlStatements(flutterRoot);
+
   printProgress('Deprecations...');
   await verifyDeprecations(flutterRoot);
 
@@ -1040,6 +1043,38 @@ Future<void> verifyNoTrailingSpaces(String workingDirectory, { int minimumMatche
   }
 }
 
+final RegExp _flowControlStatementWithoutSpace = RegExp(r'(^|[ \t])(if|switch|for|do|while|catch)\(', multiLine: true);
+
+Future<void> verifySpacesAfterFlowControlStatements(String workingDirectory, { int minimumMatches = 4000 }) async {
+  const Set<String> extensions = <String>{
+    '.dart',
+    '.java',
+    '.js',
+    '.kt',
+    '.swift',
+    '.c',
+    '.cc',
+    '.cpp',
+    '.h',
+    '.m',
+  };
+  final List<File> files = await _allFiles(workingDirectory, null, minimumMatches: minimumMatches)
+    .where((File file) => extensions.contains(path.extension(file.path)))
+    .toList();
+  final List<String> problems = <String>[];
+  for (final File file in files) {
+    final List<String> lines = file.readAsLinesSync();
+    for (int index = 0; index < lines.length; index += 1) {
+      if (lines[index].contains(_flowControlStatementWithoutSpace)) {
+        problems.add('${file.path}:${index + 1}: no space after flow control statement');
+      }
+    }
+  }
+  if (problems.isNotEmpty) {
+    foundError(problems);
+  }
+}
+
 String _bullets(String value) => ' * $value';
 
 Future<void> verifyIssueLinks(String workingDirectory) async {

dev/bots/test/analyze-test-input/root/packages/foo/spaces_after_flow.dart

@@ -0,0 +1,37 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// ignore_for_file: type=lint
+
+bool isThereMeaningOfLife = true;
+
+void main() {
+  if (isThereMeaningOfLife) {}
+  if(isThereMeaningOfLife) {}
+  //^
+
+  switch (isThereMeaningOfLife) {
+    case false:
+    case true:
+  }
+  switch(isThereMeaningOfLife) {
+  //    ^
+    case false:
+    case true:
+  }
+
+  for (int index = 0; index < 10; index++) {}
+  for(int index = 0; index < 10; index++) {}
+  // ^
+
+  while (isThereMeaningOfLife) {}
+  while(isThereMeaningOfLife) {}
+  //   ^
+
+  try {
+  } catch (e) {}
+  try {
+  } catch(e) {}
+  //     ^
+}

dev/bots/test/analyze_test.dart

@@ -124,6 +124,24 @@ void main() {
     );
   });
 
+  test('analyze.dart - verifySpacesAfterFlowControlStatements', () async {
+    final String result = await capture(() => verifySpacesAfterFlowControlStatements(testRootPath, minimumMatches: 2), shouldHaveErrors: true);
+    final String lines = <String>[
+        '║ test/analyze-test-input/root/packages/foo/spaces_after_flow.dart:11: no space after flow control statement',
+        '║ test/analyze-test-input/root/packages/foo/spaces_after_flow.dart:18: no space after flow control statement',
+        '║ test/analyze-test-input/root/packages/foo/spaces_after_flow.dart:25: no space after flow control statement',
+        '║ test/analyze-test-input/root/packages/foo/spaces_after_flow.dart:29: no space after flow control statement',
+        '║ test/analyze-test-input/root/packages/foo/spaces_after_flow.dart:35: no space after flow control statement',
+      ]
+      .map((String line) => line.replaceAll('/', Platform.isWindows ? r'\' : '/'))
+      .join('\n');
+    expect(result,
+      '╔═╡ERROR╞═══════════════════════════════════════════════════════════════════════\n'
+      '$lines\n'
+      '╚═══════════════════════════════════════════════════════════════════════════════\n'
+    );
+  });
+
   test('analyze.dart - verifyNoBinaries - positive', () async {
     final String result = await capture(() => verifyNoBinaries(
       testRootPath,

dev/devicelab/bin/summarize.dart

@@ -44,7 +44,7 @@ Future<void> main(List<String> rawArgs) async {
       test = ABTest.fromJsonMap(
           const JsonDecoder().convert(await file.readAsString()) as Map<String, dynamic>
       );
-    } catch(error) {
+    } catch (error) {
       _usage('Could not parse json file "$filename"');
       return;
     }

dev/devicelab/lib/framework/devices.dart

@@ -36,7 +36,7 @@ String getArtifactPath() {
 String? _findMatchId(List<String> idList, String idPattern) {
   String? candidate;
   idPattern = idPattern.toLowerCase();
-  for(final String id in idList) {
+  for (final String id in idList) {
     if (id.toLowerCase() == idPattern) {
       return id;
     }

dev/devicelab/lib/tasks/plugin_tests.dart

@@ -252,7 +252,7 @@ public class $pluginClass: NSObject, FlutterPlugin {
     // build files.
     await build(buildTarget, validateNativeBuildProject: false);
 
-    switch(buildTarget) {
+    switch (buildTarget) {
       case 'apk':
         if (await exec(
           path.join('.', 'gradlew'),

dev/integration_tests/android_views/android/app/src/main/java/io/flutter/integration/androidviews/MainActivity.java

@@ -47,7 +47,7 @@ public class MainActivity extends FlutterActivity implements MethodChannel.Metho
 
     @Override
     public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {
-        switch(methodCall.method) {
+        switch (methodCall.method) {
             case "pipeFlutterViewEvents":
                 result.success(null);
                 return;

dev/integration_tests/android_views/android/app/src/main/java/io/flutter/integration/androidviews/SimplePlatformView.java

@@ -49,7 +49,7 @@ public class SimplePlatformView implements PlatformView, MethodChannel.MethodCal
 
     @Override
     public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {
-        switch(methodCall.method) {
+         switch (methodCall.method) {
             case "pipeTouchEvents":
                 touchPipe.enable();
                 result.success(null);

dev/integration_tests/android_views/android/app/src/main/java/io/flutter/integration/androidviews/TouchPipe.java

@@ -31,7 +31,7 @@ class TouchPipe implements View.OnTouchListener {
     }
 
     public void disable() {
-        if(!mEnabled)
+        if (!mEnabled)
             return;
         mEnabled = false;
         mView.setOnTouchListener(null);

dev/integration_tests/android_views/lib/motion_events_page.dart

@@ -162,7 +162,7 @@ class MotionEventsBodyState extends State<MotionEventsBody> {
         diff.write(currentDiff);
       }
       return diff.toString();
-    } catch(e) {
+    } catch (e) {
       return e.toString();
     }
   }

dev/integration_tests/android_views/lib/wm_integrations.dart

@@ -111,7 +111,7 @@ class WindowManagerBodyState extends State<WindowManagerBody> {
       setState(() {
         _lastTestStatus = _LastTestStatus.success;
       });
-    } catch(e) {
+    } catch (e) {
       setState(() {
         _lastTestStatus = _LastTestStatus.error;
         lastError = '$e';
@@ -125,7 +125,7 @@ class WindowManagerBodyState extends State<WindowManagerBody> {
       setState(() {
         windowClickCount++;
       });
-    } catch(e) {
+    } catch (e) {
       setState(() {
         _lastTestStatus = _LastTestStatus.error;
         lastError = '$e';

dev/integration_tests/flutter_gallery/lib/demo/material/leave_behind_demo.dart

@@ -224,7 +224,7 @@ class _LeaveBehindListItem extends StatelessWidget {
           }
         },
         confirmDismiss: !confirmDismiss ? null : (DismissDirection dismissDirection) async {
-          switch(dismissDirection) {
+          switch (dismissDirection) {
             case DismissDirection.endToStart:
               return await _showConfirmationDialog(context, 'archive') ?? false;
             case DismissDirection.startToEnd:

dev/integration_tests/flutter_gallery/lib/demo/material/scrollable_tabs_demo.dart

@@ -72,7 +72,7 @@ class ScrollableTabsDemoState extends State<ScrollableTabsDemo> with SingleTicke
       return const UnderlineTabIndicator();
     }
 
-    switch(_demoStyle) {
+    switch (_demoStyle) {
       case TabsDemoStyle.iconsAndText:
         return ShapeDecoration(
           shape: const RoundedRectangleBorder(

dev/integration_tests/flutter_gallery/test_driver/transitions_perf.dart

@@ -26,7 +26,7 @@ Set<String> _unTestedDemos = Set<String>.from(_allDemos);
 class _MessageHandler {
   static LiveWidgetController? controller;
   Future<String> call(String message) async {
-    switch(message) {
+    switch (message) {
       case 'demoNames':
         return const JsonEncoder.withIndent('  ').convert(_allDemos);
       case 'profileDemos':

dev/integration_tests/hybrid_android_views/android/app/src/main/java/io/flutter/integration/androidviews/MainActivity.java

@@ -110,7 +110,7 @@ public class MainActivity extends FlutterActivity implements MethodChannel.Metho
 
     @Override
     public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {
-        switch(methodCall.method) {
+        switch (methodCall.method) {
             case "getStoragePermission":
                 if (permissionResult != null) {
                     result.error("error", "already waiting for permissions", null);

dev/integration_tests/hybrid_android_views/android/app/src/main/java/io/flutter/integration/androidviews/SimplePlatformView.java

@@ -50,7 +50,7 @@ public class SimplePlatformView implements PlatformView, MethodChannel.MethodCal
 
     @Override
     public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {
-        switch(methodCall.method) {
+        switch (methodCall.method) {
             case "pipeTouchEvents":
                 touchPipe.enable();
                 result.success(null);

dev/integration_tests/hybrid_android_views/android/app/src/main/java/io/flutter/integration/androidviews/TouchPipe.java

@@ -31,7 +31,7 @@ class TouchPipe implements View.OnTouchListener {
     }
 
     public void disable() {
-        if(!mEnabled)
+        if (!mEnabled)
             return;
         mEnabled = false;
         mView.setOnTouchListener(null);

dev/integration_tests/hybrid_android_views/lib/motion_events_page.dart

@@ -144,7 +144,7 @@ class MotionEventsBodyState extends State<MotionEventsBody> {
         diff.write(currentDiff);
       }
       return diff.toString();
-    } catch(e) {
+    } catch (e) {
       return e.toString();
     }
   }

dev/integration_tests/hybrid_android_views/lib/nested_view_event_page.dart

@@ -145,7 +145,7 @@ class NestedViewEventBodyState extends State<NestedViewEventBody> {
       setState(() {
         _lastTestStatus = _LastTestStatus.success;
       });
-    } catch(e) {
+    } catch (e) {
       setState(() {
         _lastTestStatus = _LastTestStatus.error;
         lastError = '$e';
@@ -165,7 +165,7 @@ class NestedViewEventBodyState extends State<NestedViewEventBody> {
       setState(() {
         nestedViewClickCount++;
       });
-    } catch(e) {
+    } catch (e) {
       setState(() {
         _lastTestStatus = _LastTestStatus.error;
         lastError = '$e';

dev/tools/gen_defaults/lib/input_decorator_template.dart

@@ -91,7 +91,7 @@ class _${blockName}DefaultsM3 extends InputDecorationTheme {
     if (states.contains(MaterialState.disabled)) {
       return ${componentColor('md.comp.filled-text-field.disabled.leading-icon')};
     }
-    if(states.contains(MaterialState.error)) {
+    if (states.contains(MaterialState.error)) {
       if (states.contains(MaterialState.hovered)) {
         return ${componentColor('md.comp.filled-text-field.error.hover.leading-icon')};
       }
@@ -114,7 +114,7 @@ class _${blockName}DefaultsM3 extends InputDecorationTheme {
     if (states.contains(MaterialState.disabled)) {
       return ${componentColor('md.comp.filled-text-field.disabled.trailing-icon')};
     }
-    if(states.contains(MaterialState.error)) {${componentColor('md.comp.filled-text-field.error.trailing-icon') == componentColor('md.comp.filled-text-field.error.focus.trailing-icon') ? '' : '''
+    if (states.contains(MaterialState.error)) {${componentColor('md.comp.filled-text-field.error.trailing-icon') == componentColor('md.comp.filled-text-field.error.focus.trailing-icon') ? '' : '''
       if (states.contains(MaterialState.hovered)) {
         return ${componentColor('md.comp.filled-text-field.error.hover.trailing-icon')};
       }
@@ -138,7 +138,7 @@ class _${blockName}DefaultsM3 extends InputDecorationTheme {
     if (states.contains(MaterialState.disabled)) {
       return textStyle.copyWith(color: ${componentColor('md.comp.filled-text-field.disabled.label-text')});
     }
-    if(states.contains(MaterialState.error)) {
+    if (states.contains(MaterialState.error)) {
       if (states.contains(MaterialState.hovered)) {
         return textStyle.copyWith(color: ${componentColor('md.comp.filled-text-field.error.hover.label-text')});
       }
@@ -162,7 +162,7 @@ class _${blockName}DefaultsM3 extends InputDecorationTheme {
     if (states.contains(MaterialState.disabled)) {
       return textStyle.copyWith(color: ${componentColor('md.comp.filled-text-field.disabled.label-text')});
     }
-    if(states.contains(MaterialState.error)) {
+    if (states.contains(MaterialState.error)) {
       if (states.contains(MaterialState.hovered)) {
         return textStyle.copyWith(color: ${componentColor('md.comp.filled-text-field.error.hover.label-text')});
       }

packages/flutter/lib/src/cupertino/date_picker.dart

@@ -2078,7 +2078,7 @@ class _CupertinoTimerPickerState extends State<CupertinoTimerPicker> {
     double maxWidth = double.negativeInfinity;
     for (int i = 0; i < labels.length; i++) {
       final String? label = labels[i];
-      if(label == null) {
+      if (label == null) {
         continue;
       }
 

packages/flutter/lib/src/cupertino/radio.dart

@@ -236,7 +236,7 @@ class _CupertinoRadioState<T> extends State<CupertinoRadio<T>> with TickerProvid
     final bool? accessibilitySelected;
     // Apple devices also use `selected` to annotate radio button's semantics
     // state.
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
       case TargetPlatform.linux:

packages/flutter/lib/src/cupertino/scrollbar.dart

@@ -212,7 +212,7 @@ class _CupertinoScrollbarState extends RawScrollbarState<CupertinoScrollbar> {
     }
     _thicknessAnimationController.reverse();
     super.handleThumbPressEnd(localPosition, velocity);
-    switch(direction) {
+    switch (direction) {
       case Axis.vertical:
         if (velocity.pixelsPerSecond.dy.abs() < 10 &&
           (localPosition.dy - _pressStartAxisPosition).abs() > 0) {

packages/flutter/lib/src/cupertino/switch.dart

@@ -577,7 +577,7 @@ class _RenderCupertinoSwitch extends RenderConstrainedBox {
   bool get isFocused => _isFocused;
   bool _isFocused;
   set isFocused(bool value) {
-    if(value == _isFocused) {
+    if (value == _isFocused) {
       return;
     }
     _isFocused = value;
@@ -637,7 +637,7 @@ class _RenderCupertinoSwitch extends RenderConstrainedBox {
     final RRect trackRRect = RRect.fromRectAndRadius(trackRect, const Radius.circular(_kTrackRadius));
     canvas.drawRRect(trackRRect, paint);
 
-    if(_isFocused) {
+    if (_isFocused) {
       // Paints a border around the switch in the focus color.
       final RRect borderTrackRRect = trackRRect.inflate(1.75);
 

packages/flutter/lib/src/foundation/change_notifier.dart

@@ -443,7 +443,7 @@ mixin class ChangeNotifier implements Listenable {
           if (_listeners[i] == null) {
             // We swap this item with the next not null item.
             int swapIndex = i + 1;
-            while(_listeners[swapIndex] == null) {
+            while (_listeners[swapIndex] == null) {
               swapIndex += 1;
             }
             _listeners[i] = _listeners[swapIndex];

packages/flutter/lib/src/gestures/monodrag.dart

@@ -451,7 +451,7 @@ abstract class DragGestureRecognizer extends OneSequenceGestureRecognizer {
   @override
   void didStopTrackingLastPointer(int pointer) {
     assert(_state != _DragState.ready);
-    switch(_state) {
+    switch (_state) {
       case _DragState.ready:
         break;
 

packages/flutter/lib/src/material/bottom_sheet.dart

@@ -324,7 +324,7 @@ class _BottomSheetState extends State<BottomSheet> {
   void _handleDragHandleHover(bool hovering) {
     if (hovering != dragHandleMaterialState.contains(MaterialState.hovered)) {
       setState(() {
-        if(hovering){
+        if (hovering){
           dragHandleMaterialState.add(MaterialState.hovered);
         }
         else{
@@ -360,7 +360,7 @@ class _BottomSheetState extends State<BottomSheet> {
       // Only add [GestureDetector] to the drag handle when the rest of the
       // bottom sheet is not draggable. If the whole bottom sheet is draggable,
       // no need to add it.
-      if(!widget.enableDrag) {
+      if (!widget.enableDrag) {
         dragHandle = GestureDetector(
           onVerticalDragStart: _handleDragStart,
           onVerticalDragUpdate: _handleDragUpdate,

packages/flutter/lib/src/material/dialog.dart

@@ -930,7 +930,7 @@ class _AdaptiveAlertDialog extends AlertDialog {
   @override
   Widget build(BuildContext context) {
     final ThemeData theme = Theme.of(context);
-    switch(theme.platform) {
+    switch (theme.platform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
       case TargetPlatform.linux:

packages/flutter/lib/src/material/drawer.dart

@@ -502,7 +502,7 @@ class DrawerControllerState extends State<DrawerController> with SingleTickerPro
       _scrimColorTween = _buildScrimColorTween();
     }
     if (widget.isDrawerOpen != oldWidget.isDrawerOpen) {
-      switch(_controller.status) {
+      switch (_controller.status) {
         case AnimationStatus.completed:
         case AnimationStatus.dismissed:
           _controller.value = widget.isDrawerOpen ? 1.0 : 0.0;

packages/flutter/lib/src/material/expand_icon.dart

@@ -152,7 +152,7 @@ class _ExpandIconState extends State<ExpandIcon> with SingleTickerProviderStateM
       return widget.color!;
     }
 
-    switch(Theme.of(context).brightness) {
+    switch (Theme.of(context).brightness) {
       case Brightness.light:
         return Colors.black54;
       case Brightness.dark:

packages/flutter/lib/src/material/floating_action_button.dart

@@ -556,7 +556,7 @@ class FloatingActionButton extends StatelessWidget {
       data: IconThemeData(size: iconSize),
       child: child!,
     ) : child;
-    switch(_floatingActionButtonType) {
+    switch (_floatingActionButtonType) {
       case _FloatingActionButtonType.regular:
         sizeConstraints = floatingActionButtonTheme.sizeConstraints ?? defaults.sizeConstraints!;
       case _FloatingActionButtonType.small:

packages/flutter/lib/src/material/input_decorator.dart

@@ -4617,7 +4617,7 @@ class _InputDecoratorDefaultsM3 extends InputDecorationTheme {
     if (states.contains(MaterialState.disabled)) {
       return _colors.onSurface.withOpacity(0.38);
     }
-    if(states.contains(MaterialState.error)) {
+    if (states.contains(MaterialState.error)) {
       return _colors.error;
     }
     return _colors.onSurfaceVariant;
@@ -4629,7 +4629,7 @@ class _InputDecoratorDefaultsM3 extends InputDecorationTheme {
     if (states.contains(MaterialState.disabled)) {
       return textStyle.copyWith(color: _colors.onSurface.withOpacity(0.38));
     }
-    if(states.contains(MaterialState.error)) {
+    if (states.contains(MaterialState.error)) {
       if (states.contains(MaterialState.hovered)) {
         return textStyle.copyWith(color: _colors.onErrorContainer);
       }
@@ -4653,7 +4653,7 @@ class _InputDecoratorDefaultsM3 extends InputDecorationTheme {
     if (states.contains(MaterialState.disabled)) {
       return textStyle.copyWith(color: _colors.onSurface.withOpacity(0.38));
     }
-    if(states.contains(MaterialState.error)) {
+    if (states.contains(MaterialState.error)) {
       if (states.contains(MaterialState.hovered)) {
         return textStyle.copyWith(color: _colors.onErrorContainer);
       }

packages/flutter/lib/src/material/radio.dart

@@ -502,7 +502,7 @@ class _RadioState<T> extends State<Radio<T>> with TickerProviderStateMixin, Togg
     final bool? accessibilitySelected;
     // Apple devices also use `selected` to annotate radio button's semantics
     // state.
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
       case TargetPlatform.linux:

packages/flutter/lib/src/material/refresh_indicator.dart

@@ -596,7 +596,7 @@ class RefreshIndicatorState extends State<RefreshIndicator> with TickerProviderS
                       color: widget.color,
                     );
 
-                    switch(widget._indicatorType) {
+                    switch (widget._indicatorType) {
                       case _IndicatorType.material:
                         return materialIndicator;
 

packages/flutter/lib/src/material/search.dart

@@ -538,7 +538,7 @@ class _SearchPageState<T> extends State<_SearchPage<T>> {
     final String searchFieldLabel = widget.delegate.searchFieldLabel
       ?? MaterialLocalizations.of(context).searchFieldLabel;
     Widget? body;
-    switch(widget.delegate._currentBody) {
+    switch (widget.delegate._currentBody) {
       case _SearchBody.suggestions:
         body = KeyedSubtree(
           key: const ValueKey<_SearchBody>(_SearchBody.suggestions),

packages/flutter/lib/src/material/text_field.dart

@@ -1058,7 +1058,7 @@ class _TextFieldState extends State<TextField> with RestorationMixin implements
     _effectiveFocusNode.canRequestFocus = _canRequestFocus;
 
     if (_effectiveFocusNode.hasFocus && widget.readOnly != oldWidget.readOnly && _isEnabled) {
-      if(_effectiveController.selection.isCollapsed) {
+      if (_effectiveController.selection.isCollapsed) {
         _showSelectionHandles = !widget.readOnly;
       }
     }

packages/flutter/lib/src/material/time_picker.dart

@@ -2291,7 +2291,7 @@ class _TimePickerDialogState extends State<TimePickerDialog> with RestorationMix
         final MaterialLocalizations localizations = MaterialLocalizations.of(context);
         final TimeOfDayFormat timeOfDayFormat = localizations.timeOfDayFormat(alwaysUse24HourFormat: MediaQuery.alwaysUse24HourFormatOf(context));
         final double timePickerWidth;
-        switch(timeOfDayFormat) {
+        switch (timeOfDayFormat) {
           case TimeOfDayFormat.HH_colon_mm:
           case TimeOfDayFormat.HH_dot_mm:
           case TimeOfDayFormat.frenchCanadian:
@@ -2331,7 +2331,7 @@ class _TimePickerDialogState extends State<TimePickerDialog> with RestorationMix
         final MaterialLocalizations localizations = MaterialLocalizations.of(context);
         final TimeOfDayFormat timeOfDayFormat = localizations.timeOfDayFormat(alwaysUse24HourFormat: MediaQuery.alwaysUse24HourFormatOf(context));
         final double timePickerWidth;
-        switch(timeOfDayFormat) {
+        switch (timeOfDayFormat) {
           case TimeOfDayFormat.HH_colon_mm:
           case TimeOfDayFormat.HH_dot_mm:
           case TimeOfDayFormat.frenchCanadian:

packages/flutter/lib/src/painting/box_border.dart

@@ -254,7 +254,7 @@ abstract class BoxBorder extends ShapeBorder {
     required BorderSide bottom,
   }) {
     final RRect borderRect;
-    switch(shape) {
+    switch (shape) {
       case BoxShape.rectangle:
         borderRect = (borderRadius ?? BorderRadius.zero)
             .resolve(textDirection)
@@ -605,7 +605,7 @@ class Border extends BoxBorder {
 
     // Allow painting non-uniform borders if the color and style are uniform.
     if (_colorIsUniform && _styleIsUniform) {
-      switch(top.style) {
+      switch (top.style) {
         case BorderStyle.none:
           return;
         case BorderStyle.solid:
@@ -964,7 +964,7 @@ class BorderDirectional extends BoxBorder {
 
     // Allow painting non-uniform borders if the color and style are uniform.
     if (_colorIsUniform && _styleIsUniform) {
-      switch(top.style) {
+      switch (top.style) {
         case BorderStyle.none:
           return;
         case BorderStyle.solid:

packages/flutter/lib/src/painting/text_painter.dart

@@ -1199,7 +1199,7 @@ class TextPainter {
       // TODO(LongCatIsLooong): make this case impossible; see https://github.com/flutter/flutter/issues/79495
       return null;
     }
-    return switch(_computeCaretMetrics(position)) {
+    return switch (_computeCaretMetrics(position)) {
       _LineCaretMetrics(:final double fullHeight) => fullHeight,
       _EmptyLineCaretMetrics() => null,
     };

packages/flutter/lib/src/rendering/layer.dart

@@ -1322,7 +1322,7 @@ class ContainerLayer extends Layer {
     }
     final List<Layer> children = <Layer>[];
     Layer? child = firstChild;
-    while(child != null) {
+    while (child != null) {
       children.add(child);
       if (child is ContainerLayer) {
         children.addAll(child.depthFirstIterateChildren());

packages/flutter/lib/src/rendering/paragraph.dart

@@ -1524,7 +1524,7 @@ class _SelectableFragment with Selectable, ChangeNotifier implements TextLayoutM
   SelectionResult _handleDirectionallyExtendSelection(double horizontalBaseline, bool isExtent, SelectionExtendDirection movement) {
     final Matrix4 transform = paragraph.getTransformTo(null);
     if (transform.invert() == 0.0) {
-      switch(movement) {
+      switch (movement) {
         case SelectionExtendDirection.previousLine:
         case SelectionExtendDirection.backward:
           return SelectionResult.previous;
@@ -1537,7 +1537,7 @@ class _SelectableFragment with Selectable, ChangeNotifier implements TextLayoutM
     assert(!baselineInParagraphCoordinates.isNaN);
     final TextPosition newPosition;
     final SelectionResult result;
-    switch(movement) {
+    switch (movement) {
       case SelectionExtendDirection.previousLine:
       case SelectionExtendDirection.nextLine:
         assert(_textSelectionEnd != null && _textSelectionStart != null);

packages/flutter/lib/src/rendering/sliver_fixed_extent_list.dart

@@ -153,7 +153,7 @@ abstract class RenderSliverFixedExtentBoxAdaptor extends RenderSliverMultiBoxAda
   int _calculateLeadingGarbage(int firstIndex) {
     RenderBox? walker = firstChild;
     int leadingGarbage = 0;
-    while(walker != null && indexOf(walker) < firstIndex) {
+    while (walker != null && indexOf(walker) < firstIndex) {
       leadingGarbage += 1;
       walker = childAfter(walker);
     }
@@ -163,7 +163,7 @@ abstract class RenderSliverFixedExtentBoxAdaptor extends RenderSliverMultiBoxAda
   int _calculateTrailingGarbage(int targetLastIndex) {
     RenderBox? walker = lastChild;
     int trailingGarbage = 0;
-    while(walker != null && indexOf(walker) > targetLastIndex) {
+    while (walker != null && indexOf(walker) > targetLastIndex) {
       trailingGarbage += 1;
       walker = childBefore(walker);
     }

packages/flutter/lib/src/rendering/sliver_group.dart

@@ -151,7 +151,7 @@ class RenderSliverCrossAxisGroup extends RenderSliver with ContainerRenderObject
 }
 
 bool _assertOutOfExtent(double extent) {
-  if(extent <= 0.0) {
+  if (extent <= 0.0) {
     throw FlutterError.fromParts(<DiagnosticsNode>[
       ErrorSummary('SliverCrossAxisGroup ran out of extent before child could be laid out.'),
       ErrorDescription(

packages/flutter/lib/src/rendering/table_border.dart

@@ -250,7 +250,7 @@ class TableBorder {
         }
       }
     }
-    if(!isUniform || borderRadius == BorderRadius.zero) {
+    if (!isUniform || borderRadius == BorderRadius.zero) {
       paintBorder(canvas, rect, top: top, right: right, bottom: bottom, left: left);
     } else {
       final RRect outer = borderRadius.toRRect(rect);

packages/flutter/lib/src/services/platform_views.dart

@@ -72,7 +72,7 @@ class PlatformViewsService {
   static final PlatformViewsService _instance = PlatformViewsService._();
 
   Future<void> _onMethodCall(MethodCall call) {
-    switch(call.method) {
+    switch (call.method) {
       case 'viewFocused':
         final int id = call.arguments as int;
         if (_focusCallbacks.containsKey(id)) {

packages/flutter/lib/src/widgets/animated_scroll_view.dart

@@ -1137,7 +1137,7 @@ abstract class _SliverAnimatedMultiBoxAdaptorState<T extends _SliverAnimatedMult
   /// This method's semantics are the same as Dart's [List.clear] method: it
   /// removes all the items in the list.
   void removeAllItems(AnimatedRemovedItemBuilder builder, { Duration duration = _kDuration }) {
-    for(int i = _itemsCount - 1 ; i >= 0; i--) {
+    for (int i = _itemsCount - 1 ; i >= 0; i--) {
       removeItem(i, builder, duration: duration);
     }
   }

packages/flutter/lib/src/widgets/dismissible.dart

@@ -439,7 +439,7 @@ class _DismissibleState extends State<Dismissible> with TickerProviderStateMixin
   }
 
   void _handleDismissUpdateValueChanged() {
-    if(widget.onUpdate != null) {
+    if (widget.onUpdate != null) {
       final bool oldDismissThresholdReached = _dismissThresholdReached;
       _dismissThresholdReached = _moveController!.value > (widget.dismissThresholds[_dismissDirection] ?? _kDismissThreshold);
       final DismissUpdateDetails details = DismissUpdateDetails(

packages/flutter/lib/src/widgets/editable_text.dart

@@ -2896,7 +2896,7 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
     _floatingCursorResetController ??= AnimationController(
       vsync: this,
     )..addListener(_onFloatingCursorResetTick);
-    switch(point.state) {
+    switch (point.state) {
       case FloatingCursorDragState.Start:
         if (_floatingCursorResetController!.isAnimating) {
           _floatingCursorResetController!.stop();

packages/flutter/lib/src/widgets/form.dart

@@ -250,7 +250,7 @@ class FormState extends State<Form> {
       errorMessage += field.errorText ?? '';
     }
 
-    if(errorMessage.isNotEmpty) {
+    if (errorMessage.isNotEmpty) {
       final TextDirection directionality = Directionality.of(context);
       if (defaultTargetPlatform == TargetPlatform.iOS) {
         unawaited(Future<void>(() async {

packages/flutter/lib/src/widgets/image.dart

@@ -1117,7 +1117,7 @@ class _ImageState extends State<Image> with WidgetsBindingObserver {
 
   ImageStreamListener? _imageStreamListener;
   ImageStreamListener _getListener({bool recreateListener = false}) {
-    if(_imageStreamListener == null || recreateListener) {
+    if (_imageStreamListener == null || recreateListener) {
       _lastException = null;
       _lastStack = null;
       _imageStreamListener = ImageStreamListener(

packages/flutter/lib/src/widgets/implicit_animations.dart

@@ -958,10 +958,10 @@ class _AnimatedAlignState extends AnimatedWidgetBaseState<AnimatedAlign> {
   @override
   void forEachTween(TweenVisitor<dynamic> visitor) {
     _alignment = visitor(_alignment, widget.alignment, (dynamic value) => AlignmentGeometryTween(begin: value as AlignmentGeometry)) as AlignmentGeometryTween?;
-    if(widget.heightFactor != null) {
+    if (widget.heightFactor != null) {
       _heightFactorTween = visitor(_heightFactorTween, widget.heightFactor, (dynamic value) => Tween<double>(begin: value as double)) as Tween<double>?;
     }
-    if(widget.widthFactor != null) {
+    if (widget.widthFactor != null) {
       _widthFactorTween = visitor(_widthFactorTween, widget.widthFactor, (dynamic value) => Tween<double>(begin: value as double)) as Tween<double>?;
     }
   }
@@ -2171,10 +2171,10 @@ class _AnimatedFractionallySizedBoxState extends AnimatedWidgetBaseState<Animate
   @override
   void forEachTween(TweenVisitor<dynamic> visitor) {
     _alignment = visitor(_alignment, widget.alignment, (dynamic value) => AlignmentGeometryTween(begin: value as AlignmentGeometry)) as AlignmentGeometryTween?;
-    if(widget.heightFactor != null) {
+    if (widget.heightFactor != null) {
       _heightFactorTween = visitor(_heightFactorTween, widget.heightFactor, (dynamic value) => Tween<double>(begin: value as double)) as Tween<double>?;
     }
-    if(widget.widthFactor != null) {
+    if (widget.widthFactor != null) {
       _widthFactorTween = visitor(_widthFactorTween, widget.widthFactor, (dynamic value) => Tween<double>(begin: value as double)) as Tween<double>?;
     }
   }

packages/flutter/lib/src/widgets/interactive_viewer.dart

@@ -608,7 +608,7 @@ class _InteractiveViewerState extends State<InteractiveViewer> with TickerProvid
     late final Offset alignedTranslation;
 
     if (_currentAxis != null) {
-      switch(widget.panAxis){
+      switch (widget.panAxis){
         case PanAxis.horizontal:
           alignedTranslation = _alignAxis(translation, Axis.horizontal);
         case PanAxis.vertical:

packages/flutter/lib/src/widgets/modal_barrier.dart

@@ -70,7 +70,7 @@ class _RenderSemanticsClipper extends RenderProxyBox {
     if (_clipDetailsNotifier == newNotifier) {
       return;
     }
-    if(attached) {
+    if (attached) {
       _clipDetailsNotifier.removeListener(markNeedsSemanticsUpdate);
     }
     _clipDetailsNotifier = newNotifier;

packages/flutter/lib/src/widgets/navigator.dart

@@ -3722,7 +3722,7 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin, Res
 
       // We found the page for all the consecutive pageless routes below. Attach these
       // pageless routes to the page.
-      if(unattachedPagelessRoutes.isNotEmpty) {
+      if (unattachedPagelessRoutes.isNotEmpty) {
          pageRouteToPagelessRoutes.putIfAbsent(
           oldEntry,
           () =>  List<_RouteEntry>.from(unattachedPagelessRoutes),
@@ -4113,7 +4113,7 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin, Res
   }
 
   int _getIndexBefore(int index, _RouteEntryPredicate predicate) {
-    while(index >= 0 && !predicate(_history[index])) {
+    while (index >= 0 && !predicate(_history[index])) {
       index -= 1;
     }
     return index;
@@ -5013,7 +5013,7 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin, Res
   /// {@end-tool}
   void popUntil(RoutePredicate predicate) {
     _RouteEntry? candidate = _lastRouteEntryWhereOrNull(_RouteEntry.isPresentPredicate);
-    while(candidate != null) {
+    while (candidate != null) {
       if (predicate(candidate.route)) {
         return;
       }

packages/flutter/lib/src/widgets/overlay.dart

@@ -303,7 +303,7 @@ class _OverlayEntryWidgetState extends State<_OverlayEntryWidget> {
       return;
     }
     _OverlayEntryLocation? candidate = reversed ? children.last : children.first;
-    while(candidate != null) {
+    while (candidate != null) {
       final RenderBox? renderBox = candidate._overlayChildRenderBox;
       candidate = reversed ? candidate.previous : candidate.next;
       if (renderBox != null) {
@@ -912,7 +912,7 @@ class _RenderTheater extends RenderBox with ContainerRenderObjectMixin<RenderBox
       final _TheaterParentData childParentData = child.parentData! as _TheaterParentData;
       final Iterator<RenderBox>? iterator = childParentData.paintOrderIterator;
       if (iterator != null) {
-        while(iterator.moveNext()) {
+        while (iterator.moveNext()) {
           iterator.current.attach(owner);
         }
       }

packages/flutter/lib/src/widgets/scroll_activity.dart

@@ -404,7 +404,7 @@ class ScrollDragController implements Drag {
       // substantially lower than the carried momentum.
       final bool isVelocityNotSubstantiallyLessThanCarriedMomentum =
         velocity.abs() > carriedVelocity!.abs() * momentumRetainVelocityThresholdFactor;
-      if(isFlingingInSameDirection && isVelocityNotSubstantiallyLessThanCarriedMomentum) {
+      if (isFlingingInSameDirection && isVelocityNotSubstantiallyLessThanCarriedMomentum) {
         velocity += carriedVelocity!;
       }
     }

packages/flutter/lib/src/widgets/scrollbar.dart

@@ -261,7 +261,7 @@ class ScrollbarPainter extends ChangeNotifier implements CustomPainter {
   OutlinedBorder? _shape;
   set shape(OutlinedBorder? value){
     assert(radius == null || value == null);
-    if(shape == value) {
+    if (shape == value) {
       return;
     }
 
@@ -384,7 +384,7 @@ class ScrollbarPainter extends ChangeNotifier implements CustomPainter {
   // The track is offset by only padding.
   double get _totalTrackMainAxisOffsets => _isVertical ? padding.vertical : padding.horizontal;
   double get _leadingTrackMainAxisOffset {
-    switch(_resolvedOrientation) {
+    switch (_resolvedOrientation) {
       case ScrollbarOrientation.left:
       case ScrollbarOrientation.right:
         return padding.top;
@@ -402,7 +402,7 @@ class ScrollbarPainter extends ChangeNotifier implements CustomPainter {
   // Thumb Offsets
   // The thumb is offset by padding and margins.
   double get _leadingThumbMainAxisOffset {
-    switch(_resolvedOrientation) {
+    switch (_resolvedOrientation) {
       case ScrollbarOrientation.left:
       case ScrollbarOrientation.right:
         return padding.top + mainAxisMargin;
@@ -558,7 +558,7 @@ class ScrollbarPainter extends ChangeNotifier implements CustomPainter {
     final Size thumbSize, trackSize;
     final Offset trackOffset, borderStart, borderEnd;
     _debugAssertIsValidOrientation(_resolvedOrientation);
-    switch(_resolvedOrientation) {
+    switch (_resolvedOrientation) {
       case ScrollbarOrientation.left:
         thumbSize = Size(thickness, _thumbExtent);
         trackSize = Size(thickness + 2 * crossAxisMargin, _trackExtent);
@@ -1711,7 +1711,7 @@ class RawScrollbarState<T extends RawScrollbar> extends State<T> with TickerProv
 
       // The physics may allow overscroll when actually *scrolling*, but
       // dragging on the scrollbar does not always allow us to enter overscroll.
-      switch(ScrollConfiguration.of(context).getPlatform(context)) {
+      switch (ScrollConfiguration.of(context).getPlatform(context)) {
         case TargetPlatform.fuchsia:
         case TargetPlatform.linux:
         case TargetPlatform.macOS:
@@ -2133,7 +2133,7 @@ class RawScrollbarState<T extends RawScrollbar> extends State<T> with TickerProv
               gestures: _gestures,
               child: MouseRegion(
                 onExit: (PointerExitEvent event) {
-                  switch(event.kind) {
+                  switch (event.kind) {
                     case PointerDeviceKind.mouse:
                     case PointerDeviceKind.trackpad:
                       if (enableGestures) {
@@ -2147,7 +2147,7 @@ class RawScrollbarState<T extends RawScrollbar> extends State<T> with TickerProv
                   }
                 },
                 onHover: (PointerHoverEvent event) {
-                  switch(event.kind) {
+                  switch (event.kind) {
                     case PointerDeviceKind.mouse:
                     case PointerDeviceKind.trackpad:
                       if (enableGestures) {

packages/flutter/lib/src/widgets/selectable_region.dart

@@ -399,7 +399,7 @@ class SelectableRegionState extends State<SelectableRegion> with TextSelectionDe
   void _updateSelectionStatus() {
     final TextSelection selection;
     final SelectionGeometry geometry = _selectionDelegate.value;
-    switch(geometry.status) {
+    switch (geometry.status) {
       case SelectionStatus.uncollapsed:
       case SelectionStatus.collapsed:
         selection = const TextSelection(baseOffset: 0, extentOffset: 1);
@@ -1961,7 +1961,7 @@ abstract class MultiSelectableSelectionContainerDelegate extends SelectionContai
   SelectionResult handleDirectionallyExtendSelection(DirectionallyExtendSelectionEvent event) {
     assert((currentSelectionStartIndex == -1) == (currentSelectionEndIndex == -1));
     if (currentSelectionStartIndex == -1) {
-      switch(event.direction) {
+      switch (event.direction) {
         case SelectionExtendDirection.previousLine:
         case SelectionExtendDirection.backward:
           currentSelectionStartIndex = currentSelectionEndIndex = selectables.length;

packages/flutter/lib/src/widgets/text_selection.dart

@@ -1178,7 +1178,7 @@ class SelectionOverlay {
     if (!listEquals(_selectionEndpoints, value)) {
       markNeedsBuild();
       if (_isDraggingEndHandle || _isDraggingStartHandle) {
-        switch(defaultTargetPlatform) {
+        switch (defaultTargetPlatform) {
           case TargetPlatform.android:
             HapticFeedback.selectionClick();
           case TargetPlatform.fuchsia:

packages/flutter/lib/src/widgets/undo_history.dart

@@ -193,7 +193,7 @@ class UndoHistoryState<T> extends State<UndoHistory<T>> with UndoManagerClient {
 
   @override
   void handlePlatformUndo(UndoDirection direction) {
-    switch(direction) {
+    switch (direction) {
       case UndoDirection.undo:
         undo();
       case UndoDirection.redo:

packages/flutter/lib/src/widgets/widget_inspector.dart

@@ -1417,7 +1417,7 @@ mixin WidgetInspectorService {
     pubRootDirectories = pubRootDirectories.map<String>((String directory) => Uri.parse(directory).path).toList();
 
     final Set<String> directorySet = Set<String>.from(pubRootDirectories);
-    if(_pubRootDirectories != null) {
+    if (_pubRootDirectories != null) {
       directorySet.addAll(_pubRootDirectories!);
     }
 

packages/flutter/test/cupertino/app_test.dart

@@ -445,7 +445,7 @@ void main() {
     const ScrollableDetails details = ScrollableDetails(direction: AxisDirection.down);
     final Widget child = Container();
 
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
       case TargetPlatform.iOS:

packages/flutter/test/cupertino/text_field_test.dart

@@ -80,7 +80,7 @@ class PathBoundsMatcher extends Matcher {
     final List<dynamic> values = <dynamic> [bounds, bounds.top, bounds.left, bounds.right, bounds.bottom];
     final Map<Matcher, dynamic> failedMatcher = <Matcher, dynamic> {};
 
-    for(int idx = 0; idx < matchers.length; idx++) {
+    for (int idx = 0; idx < matchers.length; idx++) {
       if (!(matchers[idx]?.matches(values[idx], matchState) ?? true)) {
         failedMatcher[matchers[idx]!] = values[idx];
       }

packages/flutter/test/material/app_test.dart

@@ -1476,7 +1476,7 @@ void main() {
     );
     final Widget child = Container();
 
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
       case TargetPlatform.iOS:
@@ -1522,7 +1522,7 @@ void main() {
     );
     final Widget child = Container();
 
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
       case TargetPlatform.iOS:

packages/flutter/test/material/back_button_test.dart

@@ -198,7 +198,7 @@ void main() {
 
     await tester.pumpAndSettle();
     final String? expectedLabel;
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
         expectedLabel = 'Back';
       case TargetPlatform.fuchsia:
@@ -241,7 +241,7 @@ void main() {
 
     await tester.pumpAndSettle();
     final String? expectedLabel;
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
         expectedLabel = 'Close';
       case TargetPlatform.fuchsia:

packages/flutter/test/material/dialog_test.dart

@@ -2206,7 +2206,7 @@ void main() {
           return const AlertDialog(title: Text('Title'));
         },
       );
-    } catch(exception) {
+    } catch (exception) {
       error = exception;
     }
 

packages/flutter/test/material/input_decorator_test.dart

@@ -157,7 +157,7 @@ TextStyle? getIconStyle(WidgetTester tester, IconData icon) {
 }
 
 void main() {
-  for(final bool useMaterial3 in  <bool>[true, false]){
+  for (final bool useMaterial3 in  <bool>[true, false]){
   testWidgets('InputDecorator input/label text layout', (WidgetTester tester) async {
     // The label appears above the input text
     await tester.pumpWidget(
@@ -380,7 +380,7 @@ void main() {
     );
     await tester.pumpAndSettle();
     expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
-    if(!useMaterial3) {
+    if (!useMaterial3) {
       expect(tester.getTopLeft(find.text('label')).dy, tester.getTopLeft(find.text('hint')).dy);
       expect(tester.getBottomLeft(find.text('label')).dy, tester.getBottomLeft(find.text('hint')).dy);
     }
@@ -723,7 +723,7 @@ void main() {
     );
     await tester.pumpAndSettle();
     expect(tester.getSize(find.byType(InputDecorator)), const Size(800.0, 56.0));
-    if(!useMaterial3) {
+    if (!useMaterial3) {
       expect(tester.getTopLeft(find.byKey(key)).dy, tester.getTopLeft(find.text('hint')).dy);
       expect(tester.getBottomLeft(find.byKey(key)).dy, tester.getBottomLeft(find.text('hint')).dy);
     }

packages/flutter/test/material/navigation_drawer_test.dart

@@ -160,7 +160,7 @@ void main() {
         scaffoldKey,
         NavigationDrawer(
           children: <Widget>[
-            for(int i = 0; i < 100; i++)
+            for (int i = 0; i < 100; i++)
               NavigationDrawerDestination(
                 icon: const Icon(Icons.ac_unit),
                 label: Text('Label$i'),
@@ -213,7 +213,7 @@ void main() {
             key: scaffoldKey,
             drawer: NavigationDrawer(
                   children: <Widget>[
-                    for(int i = 0; i < 10; i++)
+                    for (int i = 0; i < 10; i++)
                       NavigationDrawerDestination(
                         icon: const Icon(Icons.ac_unit),
                         label: Text('Label$i'),

packages/flutter/test/material/snack_bar_test.dart

@@ -2081,7 +2081,7 @@ void main() {
     Widget buildApp() {
       final PageTransitionsTheme pageTransitionTheme = PageTransitionsTheme(
         builders: <TargetPlatform, PageTransitionsBuilder>{
-          for(final TargetPlatform platform in TargetPlatform.values)
+          for (final TargetPlatform platform in TargetPlatform.values)
             platform: const CupertinoPageTransitionsBuilder(),
         },
       );

packages/flutter/test/material/stepper_test.dart

@@ -931,7 +931,7 @@ testWidgets('Stepper custom indexed controls test', (WidgetTester tester) async
   testWidgets('Vertical and Horizontal Stepper physics test', (WidgetTester tester) async {
     const ScrollPhysics physics = NeverScrollableScrollPhysics();
 
-    for(final StepperType type in StepperType.values) {
+    for (final StepperType type in StepperType.values) {
       await tester.pumpWidget(
         MaterialApp(
           home: Material(

packages/flutter/test/material/text_field_test.dart

@@ -16183,9 +16183,9 @@ void main() {
 
         await click(find.text('Outside'));
 
-        switch(pointerDeviceKind) {
+        switch (pointerDeviceKind) {
           case PointerDeviceKind.touch:
-            switch(defaultTargetPlatform) {
+            switch (defaultTargetPlatform) {
               case TargetPlatform.iOS:
               case TargetPlatform.android:
               case TargetPlatform.fuchsia:

packages/flutter/test/rendering/stack_test.dart

@@ -70,7 +70,7 @@ void main() {
       final TestClipPaintingContext context = TestClipPaintingContext();
       final RenderBox child = box200x200;
       final RenderStack stack;
-      switch(clip){
+      switch (clip){
         case Clip.none:
         case Clip.hardEdge:
         case Clip.antiAlias:

packages/flutter/test/rendering/wrap_test.dart

@@ -210,7 +210,7 @@ void main() {
 
     for (final Clip? clip in <Clip?>[null, ...Clip.values]) {
       final RenderWrap wrap;
-      switch(clip){
+      switch (clip){
         case Clip.none:
         case Clip.hardEdge:
         case Clip.antiAlias:

packages/flutter/test/services/fake_platform_views.dart

@@ -188,7 +188,7 @@ class FakeAndroidPlatformViewsController {
   }
 
   Future<dynamic> _onMethodCall(MethodCall call) {
-    switch(call.method) {
+    switch (call.method) {
       case 'create':
         return _create(call);
       case 'dispose':
@@ -400,7 +400,7 @@ class FakeIosPlatformViewsController {
   }
 
   Future<dynamic> _onMethodCall(MethodCall call) {
-    switch(call.method) {
+    switch (call.method) {
       case 'create':
         return _create(call);
       case 'dispose':
@@ -490,7 +490,7 @@ class FakeHtmlPlatformViewsController {
   }
 
   Future<dynamic> _onMethodCall(MethodCall call) {
-    switch(call.method) {
+    switch (call.method) {
       case 'create':
         return _create(call);
       case 'dispose':

packages/flutter/test/widgets/animated_size_test.dart

@@ -286,7 +286,7 @@ void main() {
       final RenderAnimatedSize renderObject = tester.renderObject(find.byType(AnimatedSize));
       expect(renderObject.clipBehavior, equals(Clip.hardEdge));
 
-      for(final Clip clip in Clip.values) {
+      for (final Clip clip in Clip.values) {
         await tester.pumpWidget(
           Center(
             child: AnimatedSize(

packages/flutter/test/widgets/basic_test.dart

@@ -607,7 +607,7 @@ void main() {
       // Defaults to Clip.none
       expect(renderObject.clipBehavior, equals(clip ?? Clip.none), reason: 'for clip = $clip');
 
-      switch(clip) {
+      switch (clip) {
         case null:
         case Clip.none:
           // the UnconstrainedBox overflows.

packages/flutter/test/widgets/flow_test.dart

@@ -172,7 +172,7 @@ void main() {
     final RenderFlow renderObject = tester.renderObject(find.byType(Flow));
     expect(renderObject.clipBehavior, equals(Clip.hardEdge));
 
-    for(final Clip clip in Clip.values) {
+    for (final Clip clip in Clip.values) {
       await tester.pumpWidget(
         Flow(
           delegate: OpacityFlowDelegate(opacity),
@@ -201,7 +201,7 @@ void main() {
     final RenderFlow renderObject = tester.renderObject(find.byType(Flow));
     expect(renderObject.clipBehavior, equals(Clip.hardEdge));
 
-    for(final Clip clip in Clip.values) {
+    for (final Clip clip in Clip.values) {
       await tester.pumpWidget(
         Flow.unwrapped(
           delegate: OpacityFlowDelegate(opacity),

packages/flutter/test/widgets/navigator_test.dart

@@ -384,7 +384,7 @@ void main() {
     Error? error;
     try {
       nav.currentState!.pushNamed<Object>('/second');
-    } on Error catch(e) {
+    } on Error catch (e) {
       error = e;
     }
     expect(error, isNull);

packages/flutter/test/widgets/overlay_test.dart

@@ -1102,7 +1102,7 @@ void main() {
       bool visited = false;
       renderObject.visitChildren((RenderObject child) {
         visited = true;
-        switch(clip) {
+        switch (clip) {
           case Clip.none:
             expect(renderObject.describeApproximatePaintClip(child), null);
           case Clip.hardEdge:

packages/flutter/test/widgets/scroll_behavior_test.dart

@@ -53,7 +53,7 @@ void main() {
     const ScrollableDetails details = ScrollableDetails(direction: AxisDirection.down);
     final Widget child = Container();
 
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
       case TargetPlatform.iOS:

packages/flutter/test/widgets/scrollable_test.dart

@@ -366,7 +366,7 @@ void main() {
     await pumpTest(tester, TargetPlatform.fuchsia, controller: controller);
 
     controller.addListener(() {
-      if(controller.position.userScrollDirection != ScrollDirection.idle) {
+      if (controller.position.userScrollDirection != ScrollDirection.idle) {
         lastUserScrollingDirection = controller.position.userScrollDirection;
       }
     });

packages/flutter/test/widgets/selectable_region_test.dart

@@ -380,7 +380,7 @@ void main() {
     await gesture.moveTo(endPos);
     expect(paragraph.selections[0], const TextSelection(baseOffset: 4, extentOffset: 8));
     // Only Android vibrate when dragging the handle.
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
         expect(
           log.last,
@@ -1273,7 +1273,7 @@ void main() {
 
       final bool alt;
       final bool control;
-      switch(defaultTargetPlatform) {
+      switch (defaultTargetPlatform) {
         case TargetPlatform.android:
         case TargetPlatform.fuchsia:
         case TargetPlatform.linux:
@@ -1381,7 +1381,7 @@ void main() {
 
       final bool alt;
       final bool meta;
-      switch(defaultTargetPlatform) {
+      switch (defaultTargetPlatform) {
         case TargetPlatform.android:
         case TargetPlatform.fuchsia:
         case TargetPlatform.linux:
@@ -1470,7 +1470,7 @@ void main() {
 
       final bool alt;
       final bool meta;
-      switch(defaultTargetPlatform) {
+      switch (defaultTargetPlatform) {
         case TargetPlatform.android:
         case TargetPlatform.fuchsia:
         case TargetPlatform.linux:
@@ -1759,7 +1759,7 @@ void main() {
     final SelectableRegionState regionState = tester.state<SelectableRegionState>(find.byType(SelectableRegion));
 
     // In Android copy should clear the selection.
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.fuchsia:
         expect(regionState.selectionOverlay, isNull);
@@ -1812,7 +1812,7 @@ void main() {
 
     final SelectableRegionState regionState = tester.state<SelectableRegionState>(find.byType(SelectableRegion));
 
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.android:
       case TargetPlatform.iOS:
       case TargetPlatform.fuchsia:

packages/flutter/test/widgets/semantics_debugger_test.dart

@@ -325,7 +325,7 @@ void main() {
     // interpreted as a gesture by the semantics debugger and sent to the widget
     // as a semantic action that always moves by 10% of the complete track.
     await tester.fling(find.byType(Slider), const Offset(-100.0, 0.0), 2000.0, warnIfMissed: false); // hitting the debugger
-    switch(defaultTargetPlatform) {
+    switch (defaultTargetPlatform) {
       case TargetPlatform.iOS:
       case TargetPlatform.macOS:
         expect(value, equals(0.65));

packages/flutter_driver/lib/src/common/deserialization_factory.dart

@@ -41,7 +41,7 @@ mixin DeserializeCommandFactory {
   /// Deserializes the finder from JSON generated by [Command.serialize] or [CommandWithTarget.serialize].
   Command deserializeCommand(Map<String, String> params, DeserializeFinderFactory finderFactory) {
     final String? kind = params['command'];
-    switch(kind) {
+    switch (kind) {
       case 'get_health': return GetHealth.deserialize(params);
       case 'get_layer_tree': return GetLayerTree.deserialize(params);
       case 'get_render_tree': return GetRenderTree.deserialize(params);

packages/flutter_driver/lib/src/common/handler_factory.dart

@@ -155,7 +155,7 @@ mixin CommandHandlerFactory {
 
   /// Deserializes the finder from JSON generated by [Command.serialize] or [CommandWithTarget.serialize].
   Future<Result> handleCommand(Command command, WidgetController prober, CreateFinderFactory finderFactory) {
-    switch(command.kind) {
+    switch (command.kind) {
       case 'get_health': return _getHealth(command);
       case 'get_layer_tree': return _getLayerTree(command);
       case 'get_render_tree': return _getRenderTree(command);

packages/flutter_driver/lib/src/driver/vmservice_driver.dart

@@ -448,7 +448,7 @@ class VMServiceFlutterDriver extends FlutterDriver {
 
   Future<bool> _isPrecompiledMode() async {
     final List<Map<String, dynamic>> flags = await getVmFlags();
-    for(final Map<String, dynamic> flag in flags) {
+    for (final Map<String, dynamic> flag in flags) {
       if (flag['name'] == 'precompiled_mode') {
         return flag['valueAsString'] == 'true';
       }

packages/flutter_driver/lib/src/driver/web_driver.dart

@@ -136,7 +136,7 @@ class WebFlutterDriver extends FlutterDriver {
       }
 
       _logCommunication('<<< $response');
-    } on DriverError catch(_) {
+    } on DriverError catch (_) {
       rethrow;
     } catch (error, stackTrace) {
       throw DriverError(

packages/flutter_goldens/lib/flutter_goldens.dart

@@ -477,7 +477,7 @@ class FlutterLocalFileComparator extends FlutterGoldenFileComparator with LocalC
       platform,
     );
 
-    if(!baseDirectory.existsSync()) {
+    if (!baseDirectory.existsSync()) {
       baseDirectory.createSync(recursive: true);
     }
 

packages/flutter_goldens_client/lib/skia_client.dart

@@ -221,7 +221,7 @@ class SkiaGoldClient {
       final File resultFile = workDirectory.childFile(fs.path.join(
         'result-state.json',
       ));
-      if(await resultFile.exists()) {
+      if (await resultFile.exists()) {
         resultContents = await resultFile.readAsString();
       }
 
@@ -344,7 +344,7 @@ class SkiaGoldClient {
       final File resultFile = workDirectory.childFile(fs.path.join(
         'result-state.json',
       ));
-      if(await resultFile.exists()) {
+      if (await resultFile.exists()) {
         resultContents = await resultFile.readAsString();
       }
       final StringBuffer buf = StringBuffer()
@@ -514,7 +514,7 @@ class SkiaGoldClient {
       'auth_opt.json',
     ))/*!*/;
 
-    if(await authFile.exists()) {
+    if (await authFile.exists()) {
       final String contents = await authFile.readAsString();
       final Map<String, dynamic> decoded = json.decode(contents) as Map<String, dynamic>;
       return !(decoded['GSUtil'] as bool/*!*/);

packages/flutter_test/lib/src/controller.dart

@@ -1091,7 +1091,7 @@ abstract class WidgetController {
           ),
         ]),
       ...<PointerEventRecord>[
-        for(int t = 0; t <= intervals; t += 1)
+        for (int t = 0; t <= intervals; t += 1)
           PointerEventRecord(timeStamps[t], <PointerEvent>[
             PointerMoveEvent(
               timeStamp: timeStamps[t],

packages/flutter_test/lib/src/matchers.dart

@@ -2445,7 +2445,7 @@ class _MatchesSemanticsData extends Matcher {
         final bool actionExpected = actionEntry.value;
         final bool actionPresent = (action.index & data.actions) == action.index;
         if (actionPresent != actionExpected) {
-          if(actionExpected) {
+          if (actionExpected) {
             missingActions.add(action);
           } else {
             unexpectedActions.add(action);
@@ -2490,7 +2490,7 @@ class _MatchesSemanticsData extends Matcher {
         final bool flagExpected = flagEntry.value;
         final bool flagPresent = flag.index & data.flags == flag.index;
         if (flagPresent != flagExpected) {
-          if(flagExpected) {
+          if (flagExpected) {
             missingFlags.add(flag);
           } else {
             unexpectedFlags.add(flag);

packages/flutter_test/test/controller_test.dart

@@ -285,7 +285,7 @@ void main() {
       await tester.tap(find.text('test'), buttons: kSecondaryMouseButton);
 
       const String b = '$kSecondaryMouseButton';
-      for(int i = 0; i < logs.length; i++) {
+      for (int i = 0; i < logs.length; i++) {
         if (i == 0) {
           expect(logs[i], 'down $b');
         } else if (i != logs.length - 1) {
@@ -342,7 +342,7 @@ void main() {
       await tester.pumpAndSettle();
 
       const String b = '$kSecondaryMouseButton';
-      for(int i = 0; i < logs.length; i++) {
+      for (int i = 0; i < logs.length; i++) {
         if (i == 0) {
           expect(logs[i], 'down $b');
         } else if (i != logs.length - 1) {
@@ -374,7 +374,7 @@ void main() {
       await tester.drag(find.text('test'), const Offset(-150.0, 200.0), buttons: kSecondaryMouseButton);
 
       const String b = '$kSecondaryMouseButton';
-      for(int i = 0; i < logs.length; i++) {
+      for (int i = 0; i < logs.length; i++) {
         if (i == 0) {
           expect(logs[i], 'down $b');
         } else if (i != logs.length - 1) {
@@ -408,7 +408,7 @@ void main() {
 
       await tester.drag(find.text('test'), const Offset(-150.0, 200.0), kind: PointerDeviceKind.trackpad);
 
-      for(int i = 0; i < logs.length; i++) {
+      for (int i = 0; i < logs.length; i++) {
         if (i == 0) {
           expect(logs[i], 'panZoomStart');
         } else if (i != logs.length - 1) {
@@ -441,7 +441,7 @@ void main() {
       await tester.pumpAndSettle();
 
       const String b = '$kSecondaryMouseButton';
-      for(int i = 0; i < logs.length; i++) {
+      for (int i = 0; i < logs.length; i++) {
         if (i == 0) {
           expect(logs[i], 'down $b');
         } else if (i != logs.length - 1) {
@@ -506,7 +506,7 @@ void main() {
       await tester.pumpAndSettle();
 
       const String b = '$kSecondaryMouseButton';
-      for(int i = 0; i < logs.length; i++) {
+      for (int i = 0; i < logs.length; i++) {
         if (i == 0) {
           expect(logs[i], 'down $b');
         } else if (i != logs.length - 1) {

packages/flutter_tools/lib/src/android/gradle_errors.dart

@@ -159,7 +159,7 @@ final GradleHandledError multidexErrorHandler = GradleHandledError(
             prompt: 'Do you want to continue with adding multidex support for Android?',
             defaultChoiceIndex: 0,
           );
-        } on StateError catch(e) {
+        } on StateError catch (e) {
           globals.printError(
             e.message,
             indent: 0,
@@ -273,7 +273,7 @@ final GradleHandledError zipExceptionHandler = GradleHandledError(
           defaultChoiceIndex: 0,
         );
         shouldDeleteUserGradle = selection == 'y';
-      } on StateError catch(e) {
+      } on StateError catch (e) {
         globals.printError(
           e.message,
           indent: 0,

packages/flutter_tools/lib/src/base/os.dart

@@ -340,7 +340,7 @@ class _LinuxUtils extends _PosixUtils {
     for (String entry in osReleaseSplit) {
       entry = entry.trim();
       final List<String> entryKeyValuePair = entry.split('=');
-      if(entryKeyValuePair[0] == key) {
+      if (entryKeyValuePair[0] == key) {
         final String value =  entryKeyValuePair[1];
         // Remove quotes from either end of the value if they exist
         final String quote = value[0];

packages/flutter_tools/lib/src/commands/assemble.dart

@@ -260,7 +260,7 @@ class AssembleCommand extends FlutterCommand {
 
     final Map<String, Object>? defineConfigJsonMap = extractDartDefineConfigJsonMap();
     final List<String> dartDefines = extractDartDefines(defineConfigJsonMap: defineConfigJsonMap);
-    if(dartDefines.isNotEmpty){
+    if (dartDefines.isNotEmpty){
       results[kDartDefines] = dartDefines.join(',');
     }
 

packages/flutter_tools/lib/src/commands/drive.dart

@@ -342,7 +342,7 @@ class DriveCommand extends RunCommandBase {
       if (testResult != 0) {
         throwToolExit(null);
       }
-    } on Exception catch(_) {
+    } on Exception catch (_) {
       // On exceptions, including ToolExit, take a screenshot on the device
       // unless a screenshot was already taken on test failure.
       if (!screenshotTaken && screenshot != null) {

packages/flutter_tools/lib/src/commands/packages.dart

@@ -316,8 +316,8 @@ class PackagesGetCommand extends FlutterCommand {
           name,
           ...subArgs,
           // `dart pub get` and friends defaults to `--no-example`.
-          if(!exampleWasParsed && target != null) '--example',
+          if (!exampleWasParsed && target != null) '--example',
-          if(directoryOption == null && relativeTarget != null) ...<String>['--directory', relativeTarget],
+          if (directoryOption == null && relativeTarget != null) ...<String>['--directory', relativeTarget],
         ],
         project: rootProject,
         context: _context,

packages/flutter_tools/lib/src/commands/symbolize.dart

@@ -200,7 +200,7 @@ class DwarfSymbolizationService {
       .listen((String line) {
         try {
           output.writeln(line);
-        } on Exception catch(e, s) {
+        } on Exception catch (e, s) {
           subscription?.cancel().whenComplete(() {
             if (!onDone.isCompleted) {
               onDone.completeError(e, s);